diff --git a/Cargo.toml b/Cargo.toml
index cf1176e..ea95aba 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ getrandom = {version = "0.2.3"}
 hkdf = "0.11.0"
 hmac = "0.11.0"
 aes-gcm-siv = {version = "0.10.3"}
-ring-compat = {version = "0.3.1", optional = true, features = ["digest"]}
+ring-compat = {version = "0.4.0", optional = true, features = ["digest"]}
 sha2 = {version = "0.9.5", optional = true}
 serde = {version = "1.0.125", default-features = false, features = ["derive"]}
 serde_bytes = "0.11.5"